December, the Chatham Emergency Management Agency will be updating the 60 emergency
warning sirens located throughout Chatham County, which is required by the Federal
required changes will reduce the amount of radio spectrum used by emergency
warning sirens and handheld radios when signals are sent out – also called narrowbanding – to ensure more
efficient use of the communications spectrum, according to CEMA.
the upgrade, the sirens sites may be periodically disabled, according to CEMA. The
update is required to be finished by Dec. 31 and the sirens will be working no
later than Jan. 1.
timing of the project was picked during a time of year when was severe weather would
less likely affect the area, according to CEMA.